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Tech Head - The Technology Section
Retro Tech
100 Years ago, Edwin H. Armstrong tried out a little circuit.
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<blockquote data-quote="Llew" data-source="post: 812280" data-attributes="member: 175007"><p>Ah, happy days. Before those new-fangled transistors appeared, I built a superregen FM reciever in the 50's using one Acorn ex-military valve. Managed to receive Wrotham FM 60-odd miles away clear as a bell with the proverbial wet string. Couldn't use anything larger, as superregens chuck out a lot of interference over a wide spectrum.</p></blockquote><p></p>
[QUOTE="Llew, post: 812280, member: 175007"] Ah, happy days. Before those new-fangled transistors appeared, I built a superregen FM reciever in the 50's using one Acorn ex-military valve. Managed to receive Wrotham FM 60-odd miles away clear as a bell with the proverbial wet string. Couldn't use anything larger, as superregens chuck out a lot of interference over a wide spectrum. [/QUOTE]
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Tech Head - The Technology Section
Retro Tech
100 Years ago, Edwin H. Armstrong tried out a little circuit.
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